Sanitation hospitalization bed



Na 439M113.- ml 41 June 22, 1948.

Filed July 21, 1944 R. R. FREUND ETAL SANITATION HOSPITALIZATION BED 4Sheets-Sheet 1 INVENTORS. AOb'fKf/f. Fwy/v.0.

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June 22, 1948. RR. FREUND ETAL SANITATION HOSPIIALIZATION BED 4Sheets-Sheet 2 'Filed' July 21 1944 June 22, 1948.

"R. R. FREUND El AL SANITATION HOSPITALIZATIQN BED Filed July 21, 1944 4sheets-sheet 5 INVENTORJ Patented June 22,1943

SANITATION HOSPITALIZATION BED Robert R. Freund, Mount Carmel, andJamesRoyal, Villa Park, Ill., and Louis F. Schoelkopf, Madison, Wis.; saidRoyal and said Schoelkopf,

assignors to said Freund Application July 21, 1944, Serial No. 545,970

6.01aims. (Cl. -90) This invention relates to a sanitary articulatedhospital bed. e h L H The chief object of this 'nvention is to provide abed of the aforesaid character with an opening in an intermediatesection, which opening is selectively supplied with aplug for closingthesame, or a toilet vessel.

The present invention is peculiarly characterized by the fact that thesection provided with the opening is movable and this section in turnmovably supports the plug closure and the sani tary, vesse1 and thesetwo are selectively a s s ociatedwith the opening, or neither may be,associated therewith, so that the opening may be utilized for rectaltreatment and the like of the patient on the bed. H

Another feature of the invention resides in the patient selectivelycontrolling the power for positioning either the plug or thetoiletvessel, such as a pan, in registration with the opening.

Another feature of the invention resides inan interlocking arrangementwhereby both pan and plug cannot simultaneously be moved to openingregistration. 1 I

Other objects and features of the invention will be set forth more-fullyhereinafter such as the means for flushing the pan and the wastedischarge therefrom.

The full natureof the invention will be understood from theaccompanyingdrawings andthe following description and; claims: H e 1 i Q In thedrawings 1 I I Fig. 1 is a top plan view of the bed with all of thesections fully extended and in the bed forming position and with the bedpan in registration 1 with the opening aforesaid. I

Fig. 2 is a similar view of the central portion only of the bed and.with the-plug in registration with the opening. V 1

Fig. 3 is a sideelevational view of the bed, or rather the centralportion thereof, the frame supporting same and with the legs extendedoutwardly and the respective controls for manipu lating theseveral bedsections and the, plug and pan, the interlock being omitted forclearness. Fig. 4 is a side elevation of the bed structure and moreparticularly of the bed pan and its support, samebeing shown in loweredposition.

Fig. 5 is a similar view of the plugstructure, etc., and similarlylowered.

Fig.6 is a sectional view of a portion of the bed, the frame being shownin elevation, the rear section being omitted, and bed pan structurebeingshown in lowered position while the plug structure is shown inelevated position andregistered with the bed central opening.

Fig. 7 is a view generally similar to Fig. 6 and of the pan in openingregistration position and the plug support in retracted position, theplugs per se being omitted for clearness.

Fig. 8 is a longitudinal central sectional view of the pan structure.

Fig. 9 is a transverse sectional view of the same. r

Fig. 10 is a transverse sectional view through the valve controlledheader structure and a pair of single unit control valves and thesingular control therefor, parts being shown in elevation.

Fig. 11' is an elevational view of the bed pan and pad or plug singularcontrols andan interlock therebetween. r

The bed structure herein disclosed is fully illustrated, described andclaimed in the copending application Serial No. 537,220, filed May 25,1944, and entitled Hospitalization bed.

Referring to the several figures, it will be noted that the frame of thebed consists of two side members III, which at their lower ends areprovided with parallel sockets to slidably receivethe elongated membersI I, the same being connected at their outer ends by the transversemembers I2. The junctions I3 thereof constitute caster sockets adaptedto receive and. retain the caster structures I4.

Near the upper rearward portion of the side frames Ill there is providedthe aligned pivots I6. These pivots I6 pivotally support a head and backsection I! that is movable upwardly and forwardly into chair-formingposition, by way of example, or may be aligned horizontally, as shown inFigs. 1 and 3 more particularly. The details of construction of thisback section are relatively immaterial insofar as the presentapplication is concerned and no further reference will be had thereto,except to point out that each side of the section I! and at somedistance from the pivot l6 there is carried as at I8 a rod I9. This rodI9 extends into a cylinder 20 that is suitably supported by the frame,all as set forth in the aforesaid application, and illustrated herein.

Within the cylinder 20 is mounted a piston, not shown, and to which therod I9 is connected. The opposite end of the cylinder 21!] is providedwith a combination intake and outlet 2|. When pressure fluid is suppliedto this cylinder the piston is advanced therein and, since the piston ispivotally supported'as at 22, it is quite obvious that the piston and:rod IQelevates the back section I! to the desired degree. Cutting oifported at 25 and a piston rod 26, connected t0,a

piston within said cylinder 24, in turn is pivotally connected at 2'! tothe seat section 2 13.. Elle-r63 inder 25 has the combination intakeandou tlet 25. In like manner pressuregflilidmayhe sup.- plied tocylinder 24, held ther ein orres 1 therefrom, for raising the seatsection'23, holding the same in the elevated position, or lowering thesaid seat section to the horizontal position, in

the same manner as previously described for the.

back section and all as more fully described in the copendingapplicaticnreferred to.

The control for-thatwo cylindersyfi i'isof the same type as for. the twocylinders'i il refernc w beha t sret ere naf P v al p or -se t, 21. hqrwa si ea of'the seat section'is the' innei end of t'hjc leg section39, The detailedconstruction ;of t-his section may be as'illustratedinfiggl,or of any other desired typeQi construction.

'The forward free end of this section may detachablysupport afoot restindicated generally by thenumeraltl, see "Fig. ,1. At each side of saidsection there is "pivotally connected; as at 32, thepiston rod 3? whichmountsjapistcii within a cylinder 3:4 'Theilatter cylinder is-piv otallysupported at 3 5. Thecylinder has a combination inlet and outlet 35.:The pivotal support. 35 iscarriedby theseatisection zl'f as at 3'5,so'that regardless of; the eleyated position of the seat sectiohtheflegsection power, means moves therewith andthe leg ,sectionmaybe movedrelatively to the seatsection andin the manner comparable to the" back s=."ctio n and seat section movements.

,The seat section indicated generally by the numeral 23 includes side'fframe'mernbers, see Figs. '6 .and' 7 indicatgd generally; by thenumeral 39, jand these are so arranged as to cons t ute tubular elementsfrom front "to rear wingspwardly projecting exterior sides 59a. Agrilliwo'rk 4 includes apair of parallel members 4l, .seeF,,igs. d 11 Q iends of wh hta Qfi ifaaa ll, see Figs. 6 and.7, andsuitably carriedjgythe tubular structures aforementioned. These mem bers t!) are alsoconnected ltrans'verselylbyfthe r n 2 n these re -fl p f ewariii the earend t e ed. atn r ien; see Fiesi arid-2; are connected asat dt. '-Itwill be observed that the inner ends, of the members attain in spacedrelation and that, the several, members are aligned. Supported thereon,see"Eigs .;arrd is a -sha e b h f ltwi hf l i t ffi therein.'Thisdefines the opening. 'ljnf'F this sheet, is shown dotte d'forclearness in illuls trating other partsftherebeneath.

' The mattress ma e o an d sirsdt n and the same is indicated by dottedlines in 'Eigs. '6 and? and by the, numeral 4f}, and it has a centralopening t"! therein.

Reference will nowbe had more particularly toFigsxl, 4 ,6 ,andf'7.'Inthese figures it willbe observed that depending from 'theiright handtubularstru ctu re and 'side-plate39 a are a pair of parallel brackets'48 ;of dissimilar length,-see Fig. 4. These several'brack etsconstitute-a rigid support 1 depending -=from the seat i section for thepan support structure and they are of unequal length, so as to pitch allthe pivotal connections d9, 5i, 5'3 and 54 rearwardly and downwardly,although all of them are parallel to each other and disposed when thepan is lowered near and in planes parallel to the plane including theside of the bed, see Figs. 6 and .7 Such pitching is shown moreparticularly in Fig. 4. Pivotally supported at 49 are a pair of links58. Pivotally supported therebeneath and closer to the side rfran e,,a-s .11 51, are another pair of links 52. These two pairs of links arepivotally connected as at ',52i;,and =54, -respeotively, to the parallel;br cketportions 155, to which the pan structure i sc lsz. connected.

A cylinder 56has a piston therein, not shown,

'and..-one=endof said cylinder is pivotally connected at 5! to adepending member 58. The

same end of this cylinder is provided with a combination intake andoutlet 59. The opposite end of this-cylinder has extending therethrougha piston rod 60, which is pivotally connected asat 60a to the unitizedbracket-structure including the several bracket portions 55. 7

The-weight of the pan structure is such that normally the supportmechanism I is collapsed, as it were, and upon collapseis-positioned-toward the rightv hand side of the bed, this beingthe'left hand side of Fig. 6. Upon theapplicat'ion ofpressurefiuid-tothe cylinder-'56, the piston 1 is caused to move toward the-pan Astructure and in this movement the entire structure is elevated byreason of the parallelogram arrangements previously described. New, whenY the pan structure is elevated and-it isdesired to-holdthe sameelevated, the pressure supply is cut off" and the pressure'f luid isheld in the cylinder 5B. This holds the-pan structure elevated.

Whenit' is. desired to -lower thepan structure following use,-thepressureis-released and gravity lowers the aforesaid, as shown inl 'ig.6.

When the pan structure is elevated; as shown in "Fig. 7, it will benoted-that it has movedupwardly into and through the centralopening-ofthe seat section-and the centralopening, as it were, '-ofthe=fibre boardplate-44 and upwardly into the-opening 41 in themattress- M5 upon theseat section.

In like manner'the mattress plug section, mounted'on the left side ofthe bed may be raised and lowered as follows:

Reference now will be had-more-particularly to Figs. 2, 5, '6 and -'7.It will be observed that the spaced brackets Bl-again are of-unequallehgth,-are parallel and are-inclined downwardly an ar i l The v r i idw h e. l hand tubular structure constituting the side frame portion ofthe seat sectiom and; in FigsqG and 7 these appear on the right side ofsaid illustrations. A pair of parallel pivots lii and 63 are providedand pivotally supported-thereon are the links 84' and 65, respectively.Depending from the tubular structure is-themember B6 and at its lowerend same pivotally supports at 61 'a cylinder fillfrom which projects atthe opposite end-a piston rod fill; A piston, not shown, is mountedwithin-said cylinder- 68-and the pivoted cylinder end is provided with-combination inlet and outlet 10. The outer endofthe piston rod-69 i spivotally connected -to themember' 1;]. g

A pair -ofmembers 12; see Figs. *5, 6 andfi; are suitablyconnected-together and serveas a base to which is secured a plate"|-3-,'see-'F;ig. 6, having the mattress plug portion 14 securedthereto.

The two members 65 have curved lower ends, as at 65a, see Fig. 6, and attheir upper ends are welded to a spacing tube I5, see Fig. 5, pivoted at62 to brackets 6 I. Their lower ends are similarly connected by tube II,see Fig. 5. Note there is but one member 64. A member I1 is pivotallyconnected at one end to member 64 at the lower end thereof and at itsopposite'end to an axial extension, as it were, of tube II. The otherendof tube TI is mounted in plate I8 rigid with members "I2 near one endthereof. The other ends of members I2 are connected together at 19.

By the aforesaid mechanism, as the piston is pressure advanced, theentire structure, supporting the pad I4, moves upwardly on brackets GIand the pad, etc., is tilted to a horizontal position and broughtforwardly when fully elevated asshown in Fig. 6.

' From the foregoing, therefore, it will be ob vious that when pressurefluid is supplied at I to cylinder 60, the piston rod 69 is extended orprojected outwardly and this projecting movement causes the plug "I4 tobe elevated and turned sufiiciently to finally register and align withthe mattress 40 in the opening 41 thereof, as shown particularly in Fig.6. Normal operation contemplates maintenance of this plug in thisposition. When-ever it is desired to remove the plug and expose theopening for rectal examination of the patient or other purposes, thepressure is released through the outlet I0 and gravity, operating uponthe several parts, including the plug, causes the said parts to lowerand return the plug to the position shown in Figs. 5 and '7. If desired,an interlock may be provided so that both plug and pan cannot besimultaneously elevated and said interlock is not of such character thatit will prevent both pan and plug remaining in lowered position.

It wil1 be quite apparent from Fig. 6 that when the pan is lowered andwhen the back section is elevated that the pan can be readily covered ifdesired. However, this may be and usually is not necessary because thepan structure is not a conventional bed pan or a modification thereof.It is, in fact, a toilet bowl structure. The detailed construction ofthis toilet bowl structure is shown more particularly in Figs 8 and 9.In these figures it will be noted that there is an outlet 80 and a gooseneck portion 8| that has an outlet 82 closed as at 83.

The bed pan proper has an outwardly and forwardly directed portion 84and the rearward portion is at a slightly lower elevation, see Fig. 8. Awide basin effect 85 is thus provided, which discharges at 86 tothegoose neck portion. A conforming rim 8'! is detachably secured as at88 to the upper end of this bowl structure and adjacent such connectionthere is provided the peripherally arranged supply tube 89. This sup plytube 89 communicates as at 90 with a supply conduit 0!, which is adaptedto supply water under pressure by means of the conduit 92, see Figs. 6and 7. After use of the toilet, water under pressure, supplied to thespray pipe BI, which may be termed the rim, flushes the surface of thebowl and the increased water places sufflcient pressure upon the waterin the gooseneck so that it overflows to the conduit 80 and wastes. Itmay then waste from the outlet 80 to a suitable reservoir containingdisinfecting chemicals and the like.

Continued flushing will not only secure proper cleansing, but also willrefill" the goose neck to the dotted line, which is above the end of thewall 93, thus forming a liquid seal to prevent the escape of any vaporsfrom the waste receiving tank into the room through the opening in thebowl. With this type of connection, pan removal previously described orpan covering is not necessary and the action is all automatic.

Reference will now be had to Fig. 3 wherein several of the manualcontrols for fluid pressure power purposes is illustrated. This is alsodescribed in the copending application and herein the rod I00 controls avalve arrangement therebeneath, said rod including a knob I00a. In likemanner rods IIJI, I02, I03, I04 and I05 with hand engageable portionsbearing the subscript a similarly control valves. Fluid under pressureis supplied from a reservoir, or household pipe connection by line I06to the valve body I01 and the waste therefrom exhausts at I08 and to asump I09, the latter being drainable as at '0.

The combination supply and waste line interposed between each of theseveral cylinders and the Valve body I0! is illustrated and designatedby the corresponding previous numerals I00 to I05, inclusive, with thesubscript b, except that the line IOIlb is a supply line only ashereinafter pointed out.

In general the several valve structures are in multiple and each is ofmultiple construction, such as illustrated in Fig. 8 of saidaforementioned application, so that when selectively actuated fluidpressure may be supplied to any one or all of the pairs of cylinders 20,24 and 34, singly, doubly or simultaneously, and each pair may be heldunder pressure, or the pressure in each pair may be exhausted as at I08.By this means the head section, seat section and/or the legsection mayeach be independently, doubly or simultaneously elevated, held inelevated position or lowered respectively.

Herein rod I05 controls the fluid pressure supply to and from thecylinders 34, in other words, controls the position of the leg section.The

rod I03 controls the fluid pressure su ply for the cylinders 20. The rodI04 controls the fluid pressure supply to the cylinders 24 forcontrolling the seat section. Herein rod I02 controls the fluid pressuresupply to the singular piston 56 for the raising and lowering of the bedpan structure. The rod I0! similarly controls the fluid pressure supplyto the singular cylinder 68 for raising and lowering the plug ormattress structure. The rod I00 controls the flush water supply to theconduit 92. I

Fig. 8 of the copending application shows in detail in general theparticular construction of all of the valve arrangements and same issubstantially duplicated herein as in Fig. 10 hereon.

It is to be observed that the so-called waste from the flush valve tothe conduit I08 is not completed, but same is blocked, since the wasteto the toilet bowl is otherwise disposed of as hereinbefore set forth.

Fig. 11 is included herein because it shows the interlock. Briefly thisinterlock is such that either of the rods IM or I02 may be depressed toexhaust the fluid supply to the respective cylinders and without anyinterference. However, fluid pressure cannot be supplied simultaneouslyby reason of the interlock, to both the bed pan elevating and the plugelevating cylinders.

Referring more particularly to Figs. 10 and 11 (note the interlock isintentionally omitted from Fig. 3 for elearness) header I01, see Fig.10, includes a Z-shaped passage I20. An inletport I2I is controlled byinlet valve I22 normally constrained (ti olos diposi ionwvhyw nr ns: 1:3-

124 extendsrth qll h; illffin QX fl 5 Wheh tem al er.- s s valve 2.2:,hrssu e fiuidvimm co duit es enter nassaee iii! a d p s s out e nduitwtiiztotheibed paney nder, i e xhaust conduit-z l.0 ;=.is :then 1 sealed ohby" valve vI 2. sea ing ont eat. 1.21 .throughsspring i528. This va viSuChl'l'Edflby s m 123, which passes throu h stll fil'lgzbm 15.0

A opp ite; ends'of heade llthere extends upwardlyistanda ds lb' Lseehieeaeand the upper ends-thereof si pp .a-.;nivo mem e .3/ p whic i nivollymo nted th s ve a or s -ha ,eaen atone iend lfitaicon e ine hro e endor .apnroh iete c n o r d as d 232, s Fig; 10,. Ihenpper ends of stems,2. 5 and 129 are also-flooeely mounted in said cross-bar and ad ust bstop r 1% and Elia-o th s ms prorid fithealqstz,moti n-s onn o ioh f rse tive ope ration i theire endoulet waives.

When d 112 is lev ted r m th p sit shown? zlie. .0,- stem 241: is eevated and h inlet valvejsgpened and the heel pan is raised. wherreturnedz bot va es :areielosed, vas shown, ahdatheean-is held. lvated. when rod L 2 s depressed stem I29 is raised and theoutlet valveis. ize ed'and-the bed pan-1 low redv by gravity. ofarod JfiZto. th psit on shown in Fi eta'hszth hed ra n loweredresition.

lng to Figs; l 0;and 1i and thettop left handper on ofgFig. 10, it willbe noted that rod Hi-2: m uht aeross p nv 1.315. In Fig: 1 od it}! mouts a tress-pin 36. A stud l3! i ied hyrand isrigld with tongue I38 andextends upwardly and. between the rods. The stud is copla a with r ds 10I an n l npily mounts QL'QSfifibflJ' lfifiasat- Hill. Eachrodpassesthrough anopeningldl in the adjacent end of cross-bar H9. Stud i3!mountsnuts llizifqr adjustment and tulcrumpilrposes. Tongue 13.6sisqoarried by cross-member 4%, bolted at 1.44 to. aimsor uprights 13 I,e is the interlock structure.

-Wheneither "rod is elevated its pin engages cross-bar 133 and-tiltssame-so that the opposite end drops down to immediately overlie the pinonythe other rod. {This preventsother-rod elevation. Hence-Jooth panandplug cannot simulta- IlfiOllSlYbBf elevated; When the. elevated. rodis loweredtoneutral oriexhaust position the interloek inoperative. -Whendesired, naturally, hoth ods-n ay 'be depressed. This is tozinsurebed-pan :and, plug lowering or removal from the mattress opening so thatboth: are then lowered.

While, the invention hasg-been illustrated and described.lin-greatdetail in they-drawings and foregoing-description, the same is tohe:consid: fi d a ustrative andanot' restrictive-"in char acter.

The several modifications described herein-as well as-iothers which willreadily= suggest them selves to persons skilled in this art; all are:con-

sidered to be Within the broad scope oithe-invention, reference-beinghad tothe appendedqlairns. The invention claimed is:

1. In an articulated bed havinga lframe, tilt: able sections supportedthereby, one of said section-shaving a central, opening therethrough, abed pan structure, and a plug structura'the combinatio-n of supportmeans independently supporting the strueturesupon-said openingprovidedsection, and means-for moving the structures intoan-doutofregistrationwith the opening, said-support means beingat-oppositesides of the opening, each of the moving. meanszincludingazcy linden and piston; structure, the piston' there:

.e -heinanermally eenstra-inedztenerd one end of the erlinder rehd Meaure: fluid-mosah i h e nesi e odireetiqhi e i a veimeeas e ht el ineth iiehlr ef held: to c inde hqhiihe th s s hr the n nd exheust he t re urpw rdl a d fo i t h O nin a of the moving ,means including. a vcylinderand nisteh s ructu e the sto th o e g n lyeeonstrainedtowardone end. ofthe cylinder and pressure fiuid -rnovable in the opposite direction,iaivalve meansoontrolling the supply of pressure fluid to a cylinder,holding. the pressure therein an d exhausting the pressure fluidthererom; and i r o vm an b twee he valve .means of p-both cylinders.preventing simultaneous pressure 1 fluid supply to Qlooth -,cylind ers-3. I na 'hed havingran attress supportingseotion ithan, openingtherethrough, the opening. being disposed between l'ghfiSidfiS thereof,and side members .definingtheseotion, a panzstructure the upper portionof which is rec'eivable by the ee inese di ,nlue struc u the uppertpwtion-ofdwhioh .is receivable. by. the opening, the

combination of support meansfor-one structure at. onesside ofthe.seotionvangldepending-from anddireeted inwardly. of :the Sidenembenatthat side of thelsection,a secondisupport means at the other,side of ,the section and similarly disposed andsdor ,the other ofthestructures, .saicl supportemeansefor each structure -oomprising astructuresupportingbracket, means at'each side .e hedf hp or ine sairacket, tw r s of elongated,- substantially parallel linlgs connectingthe hracket. to saidflmattress supporting secion ands lind nd ni teh m hni m be tween the bracket andsth-eusection and fluid pres.- sure control,means for saids cylinder and piston mechanism operable for link.actuation and structure elevation into the lopenin .the. struc.-. tureand 1.11 35 (being Igr av ityv-lowera-ble, the :support ,rneanssidemember connections lbeing dise no ed in lon i udina l of e a o to e opein 1 .14. .Jilhed .as defined. hyolaim v 3 wherein each fluid pressurecontrol .means -cornpr ises a :valve forthe eorrtrol of pressure fluid,to. and from and nholdingdsame tin-said oylinder and interlock means isprovided between the two valves of the two .oontroler neans forpreventing simultaneous actuation of both valves-and, simultaneoussupplyingot pressure fluidrto tooth cylindei'sand simultaneous elevationof both structures.

,5. A bedsas definedby-claim 3 wherein each support n eansi between-theparallel links and the mattress :sugporting section ,includes a pairofisubstantially parallel hracket members of dis-. similar length, linkpivoting means carried/by s id raeket membe an ase ela iv t t adieeensss peminezsid amemher and offs i e d y *th nefr m :whe e yrthe linksupp ted structure, when the mechanism is elevated, simultaneously movesupwardly toward the section opening, inwardly toward the center thereofand longitudinally from its lowered position.

6. A bed as defined by claim 5 wherein each fluid pressure control meanscomprises a valve for the control of pressure fluid to and from andholding same in each cylinder, and an interlock is provided between thetwo valves of the two control means for preventing simultaneousactuation of both valves and simultaneous supplying of pressure fluid toboth cylinders and simultaneous elevation of both structures.

ROBERT R. FREUND.

JAMES M. ROYAL.

LOUIS F. SCHOELKOPF.

10 REFERENCES CITED The following references are of record in the fileof this patent:

UNITED STATES PATENTS

